0
| Grade | Allowable Ball Diameter Variation | Deviation From Spherical Form | Surface Roughness Arithmetical Average | Basic Diametr Tolerance | Allowable Lot Diamcter Variation |
| 3 | 0.0762μm（0.000003") | 0.0762μm（0.000003") | 0.0127μm（0.0000005") | ±0.762μm（±0.000005") | 0.127μm（0.000005") |
| 5 | 0.127μm（0.000005") | 0.127μm（0.000005") | 0.02μm（0.0000008") | ±1.27μm（±0.00005") | 0.254μm（0.00001") |
| 10 | 0.254μm（0.00001") | 0.254μm（0.00001") | 0.0254μm（0.000001") | ±2.54μm（±0.0001") | 0.508μm（0.00002") |
| 15 | 0.381μm（0.000015") | 0.381μm（0.000015") | 0.0254μm（0.000001") | ±2.54μm（±0.0001") | 0.762μm（0.00003") |
| 16 | 0.4064μm（0.000016") | 0.4064μm（0.000016") | 0.0254μm（0.000001") | ±2.54μm（±0.0001") | 0.8128μm（0.000032") |
| 24 | 0.6096μm（0.000024") | 0.6096μm（0.000024") | 0.0508μm（0.000002") | ±2.54μm（±0.0001") | 1.2192μm（0.000048") |
| 25 | 0.635μm（0.000025") | 0.635μm（0.000025") | 0.0508μm（0.000002") | ±2.54μm（±0.0001") | 1.27μm（0.00005") |
| 48 | 1.2192μm（0.000048") | 1.2192μm（0.000048") | 0.0762μm（0.000003") | ±5.08μm（±0.0002") | 2.4384μm（0.000096") |
| 50 | 1.27μm（0.00005") | 1.27μm（0.00005") | 0.0762μm（0.000003") | ±7.62μm（±0.0003") | 2.54μm（0.0001") |
| 100 | 2.54μm（0.0001") | 2.54μm（0.0001") | 0.127μm（0.000005") | ±12.7μm（±0.0005") | 5.08μm（0.0002") |
| 200 | 5.08μm（0.0002") | 5.08μm（0.0002") | 0.2032μm（0.000008") | ±25.4μm（±0.001") | 10.16μm（0.0004") |
| 300 | 7.62μm（0.0003") | 7.62μm（0.0003") | ±25.4μm（±0.001") | 15.24μm（0.0006") | |
| 500 | 12.7μm（0.0005") | 12.7μm（0.0005") | ±50.8μm（±0.002") | 25.4μm（0.001") | |
| 1000 | 25.4μm（0.001") | 25.4μm（0.001") | ±127.0μm（±0.005") | 50.8μm（0.002") | |
| 2000 | 50.8μm（0.002") | 50.8μm（0.002") | ±127.0μm（±0.005") | 101.6μm（0.004") | |
| 3000 | 76.2μm（0.003") | 76.2μm（0.003") | ±127.0μm（±0.005") | 152.4μm（0.006") |
TC Ball and Valve Seats
V11-106 SS, V11-125 SS, V11-150 SS, V11-175 SS, V11-225 SS, V11-250 SS, V11-375 SS,
V11-106 ST, V11-125 ST, V11-150 ST, V11-175 ST, V11-225 ST, V11-250 ST, V11-375 ST,
V11-106 TC1, V11-125 TC1, V11-150 TC1, V11-175 TC1, V11-225 TC1, V11-250 TC1, V11-375 TC1,
V11-106 SS - S, V11-125 SS - S, V11-150 SS - S, V11-175 SS - S, V11-225 SS - S, V11-250 SS - S, V11-375 SS - S, V11-250 TC1-S
Tungsten Carbide Ball Valve & Valve Seat Description:
For sealing of valves of oil pumps in petroleum industry's sand containing wells, viscous oil wells, sea oil wells, high pressure sulfur resistant oil wells, compatible Cemented Carbide valve seats, etc.Various grades for cemented carbide balls/pellets can be supplied according to customer's drawings.The surface finish, tolerance class and tolerances of dimensions have respectively reached the standards of the machine industry.
Application Field:
Used widely in petroleum industry, especially for oil well pump, such as sucker rod pump.
Usage : ball pen , bearing , high precision instruments, hardness test machine, head pressure, mine, decorations and other special precision industry.
Heading a ball
1, Diameter: 0.4-100.0mm
2, Surface: Sintering surface, Ground surface
3, Density: 14.0-14.9 g/cm3
4, Hardness: 1500 to 1600 HV
5, Composition: WC+Co, WC+TiC+TaC+Co
6, Applications: Valves, Pumps, Ball Screws, Measurement Standards, Gauging, Wear Parts
|
VII-106 |
VII-125 |
VII-150 |
VII-175 |
VII-200 |
VII-225 |
VII-250 |
VII-375 |
|
0.625"(15.88) |
0.750"(19.05) |
0.938"(23.83) |
1.125"(28.58) |
1.250"(31.75) |
1.375"(34.93) |
1.688"(42.88) |
2.250"(57.15) |
|
0.500"(12.70） |
0.500"(12.70） |
0.500"(12.70） |
0.500"(12.70） |
0.500"(12.70） |
0.500"(12.70） |
0.500"(12.70） |
0.750"(19.05） |
|
0.793"(20.14) |
0.918"(23.32) |
1.168"(29.67) |
1.388"(35.26) |
1.478"(37.54) |
1.720"(43.69) |
2.010"(51.05) |
3.072"(78.03) |
|
0.460"(11.68) |
0.550"(13.97) |
0.670"(17.02) |
0.825"(20.96) |
0.960"(24.38) |
1.060"(26.92) |
1.3140’’(33.27) |
1.700’’/1.880(43.18/47.75) |
